Home / 319,886.02-441,586.38-211,054.40

Finding the Fourth Proportional to 319,886.02, 441,586.38 and 211,054.40

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Solution

The fourth proportional to 319,886.02, 441,586.38 and 211,054.40 is: 291,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,886.02 : 441,586.38 = 211,054.40 : x
  2. Step 2: Convert to fraction form
    319,886.02/441,586.38 = 211,054.40/x
  3. Step 3: Cross multiply
    319,886.02x = 441,586.38 × 211,054.40
  4. Step 4: Simplify right side
    319,886.02x = 93,198,749,556.40
  5. Step 5: Solve for x
    x = 93,198,749,556.40/319,886.02
  6. Step 6: Final answer
    x = 291,349.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.